Home / 939,932.07-1,407,469.96-648,710.51

Finding the Fourth Proportional to 939,932.07, 1,407,469.96 and 648,710.51

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Solution

The fourth proportional to 939,932.07, 1,407,469.96 and 648,710.51 is: 971,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,932.07 : 1,407,469.96 = 648,710.51 : x
  2. Step 2: Convert to fraction form
    939,932.07/1,407,469.96 = 648,710.51/x
  3. Step 3: Cross multiply
    939,932.07x = 1,407,469.96 × 648,710.51
  4. Step 4: Simplify right side
    939,932.07x = 913,040,562,529.85
  5. Step 5: Solve for x
    x = 913,040,562,529.85/939,932.07
  6. Step 6: Final answer
    x = 971,389.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.